13411452331021 has 4 divisors (see below), whose sum is σ = 14117318243200. Its totient is φ = 12705586418844.

The previous prime is 13411452331009. The next prime is 13411452331031. The reversal of 13411452331021 is 12013325411431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13411452331021 - 2⁷ = 13411452330893 is a prime.

It is a super-2 number, since 2×13411452331021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13411452331031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352932956061 + ... + 352932956098.

It is an arithmetic number, because the mean of its divisors is an integer number (3529329560800).

Almost surely, 2^{13411452331021} is an apocalyptic number.

It is an amenable number.

13411452331021 is a deficient number, since it is larger than the sum of its proper divisors (705865912179).

13411452331021 is an equidigital number, since it uses as much as digits as its factorization.

13411452331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705865912178.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 13411452331021 its reverse (12013325411431), we get a palindrome (25424777742452).

The spelling of 13411452331021 in words is "thirteen trillion, four hundred eleven billion, four hundred fifty-two million, three hundred thirty-one thousand, twenty-one".